Simplified writing style

components/tabs/Tabs.razor

@@ -87,10 +87,7 @@
             {
                 <div class="ant-tabs-content-holder ">
                     <div class="@_contentClassMapper.Class">
-                        @foreach (var pane in _tabs)
-                        {
-                            @pane.RenderPane
-                        }
+                        @RenderTabPanels
                     </div>
                 </div>
             }

tests/AntDesign.TestApp/Client/Pages/Index.razor

@@ -1,7 +1,25 @@
 @page "/"
 @attribute [ReuseTabsPage(Title = "Home",  Pin = true)]
 <h1>Hello, world!</h1>
+<Card>
+    <Tabs>
+        <TabPane Key="A" Tab="A">
+            <Checkbox>A1</Checkbox>
+        </TabPane>
+        <TabPane Key="B" Tab="B">
+            <Checkbox>B1</Checkbox>
+        </TabPane>
+    </Tabs>
+</Card>
 
+<Tabs>
+    <TabPane Key="C" Tab="C">
+        <Checkbox>C1</Checkbox>
+    </TabPane>
+    <TabPane Key="D" Tab="D">
+        <Checkbox>D1</Checkbox>
+    </TabPane>
+</Tabs>
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